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Science project #6

Drasden Gallegos

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Across
1.Precipitation containing acids that form in the atmosphere when industrial gas emissions and other pollutants combine with water. (2 Words)
4.Salt water ecosystems and organisms.
9.The process of dragging huge, heavy nets over the sea floor, scooping up everything in their path.
11.A workplace where fish or other marine/ aquatic organisms are caught, processed, and sold.
14.An artificial reef is a man-made, underwater structure. (2 Words)
15.Capable of causing injury or death, especially by chemical means.
18.The area of land that allows water to replenish an aquifer. (2 Words)
20.Occurs when a fish population is being depleted faster then it can reproduce itself.
22.Organisms that float in the water and drift with the currents.
23.The release of oil into the environment; a form of pollution may be natural or due to human activity, (2 Words)
24.Substances that pollutes an environment.
25.An area of land where all of the water drains into the same body of water.
26.The introduction of harmful substances or products into the environment, usually as a result of human activities. (2 Words)
27.The removal of sediment from the bottom of a sea or river.
Down
2.Pollution that cannot be traced to a specific source. (3 Words)
3.Anything capable of causing disease.
5.Property of being acidic. Substances with pH values between 0-7.
6.Able to be sustained for an indefinite period without damaging the environment, or without depleting a resource.
7.An underground treatment system for household sewage. (2 Words)
8.Solid objects or masses carried by or floating on the surface of moving water.
10.An underground rock formation where water collects.
12.The water flow that occurs when water from rain, snowmelt, or other sources flows over the land.
13.Property of being a base. Substances with pH values between 7-14
16.The falling to earth of any form of water (rain, snow, hail, sleet or mist).
17.Water that is above the Earth's surface. (2 Words)
19.A stream that flows to a larger stream or other body of water.
21.Water held beneath the Earth’s surface.
22.Measurement of how acidic or basic a substance is.

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